TRANSPARENT SUBSTRATE COMPRISING AN ANTIGLARE COATING

A transparent substrate including an antireflection coating, made from a stack of thin layers of dielectric material having alternately high and low refractive indices. This stack includes a high-index first layer having a refractive index n, of between 1.8 and 2.2 and a geometrical thickness e1 of...

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Bibliographische Detailangaben
Hauptverfasser:	BILLERT, Ulrich, DURANDEAU, Anne, JORET, Laurent, STAHLSCHMIDT, Olaf, HUHN, Norbert
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MINERAL OR SLAG WOOL OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING
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Beschreibung
Zusammenfassung:	A transparent substrate including an antireflection coating, made from a stack of thin layers of dielectric material having alternately high and low refractive indices. This stack includes a high-index first layer having a refractive index n, of between 1.8 and 2.2 and a geometrical thickness e1 of between 5 and 50 nm, a low-index second layer having a refractive index n2 of between 1.35 and 1.65 and a geometrical thickness e2 of between 5 and 50 nm, a high-index third layer having a refractive index n3 of between 1.8 and 2.2 and a geometrical thickness e3 of between 70 and 120 nm, and a low-index fourth layer having a refractive index n4 of between 1.35 and 1:65 and a geometrical thickness e4 of at least 80 nm.